73
Operating and Maintenance Instructions – 7 Hardware and software
Rittal Liquid Cooling Package Plus
The RJ45 socket X23 is used to make an optional Ethernet connection to a net-
work.
1
Tx+
2
Tx-
3
Rx+
4
n.c.
5
n.c.
6
Rx-
7
n.c.
8
n.c.
Power supply pin assignment:
1
24 V DC
2
Gnd
The control unit is supplied with power via a separate power pack (DK
7320.425) and a Kycon socket. All modules are supplied with 24 V DC and are
fed together with the I
2
C bus.